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14103220 = 225705161
BaseRepresentation
bin110101110011…
…001010110100
3222112111222111
4311303022310
512102300340
61222140404
7230606155
oct65631264
928474874
1014103220
117a62a5a
124881704
132bca401
141c3192c
151388aea
hexd732b4

14103220 has 12 divisors (see below), whose sum is σ = 29616804. Its totient is φ = 5641280.

The previous prime is 14103211. The next prime is 14103239. The reversal of 14103220 is 2230141.

Adding to 14103220 its reverse (2230141), we get a palindrome (16333361).

It can be written as a sum of positive squares in 2 ways, for example, as 8514724 + 5588496 = 2918^2 + 2364^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 14103220.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352561 + ... + 352600.

It is an arithmetic number, because the mean of its divisors is an integer number (2468067).

Almost surely, 214103220 is an apocalyptic number.

14103220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14103220 is an abundant number, since it is smaller than the sum of its proper divisors (15513584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14103220 is a wasteful number, since it uses less digits than its factorization.

14103220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705170 (or 705168 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 14103220 is about 3755.4254086588. The cubic root of 14103220 is about 241.6050978048.

The spelling of 14103220 in words is "fourteen million, one hundred three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 705161 1410322 2820644 3525805 7051610 14103220